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How to recover deleted table in oracle

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Release: 2024-04-07 15:30:20
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You can use the RESTORE TABLE command to restore a deleted Oracle table, but only if the table has not been overwritten or truncated. The recovery process includes determining the name of the deleted table, executing the recovery command, and finally recovering the table and its data.

How to recover deleted table in oracle

How to restore a deleted table in Oracle

Steps to restore a deleted table:

  1. Determine the deleted table name:

    • Use the following command to view all deleted tables:

      SELECT table_name FROM user_recyclebin;
      Copy after login
  2. Restore a deleted table:

    • Use the following command to restore a deleted table:

      RESTORE TABLE table_name;
      Copy after login

Note:

  • Only tables that have been deleted and have not been overwritten can be restored.
  • Truncated tables cannot be restored.
  • The data of the table will be restored after recovery.

Example:

Assume that the table named "customers" has been deleted. To restore the table, perform the following steps:

  1. Determine the table name:

    SELECT table_name FROM user_recyclebin WHERE table_name = 'customers';
    Copy after login
  2. Restore the table :

    RESTORE TABLE customers;
    Copy after login

After the recovery is completed, the "customers" table and all its data will be restored to the state before deletion.

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